What Causes Painful Pimple On Clitoris Post Protected Intercourse?

I had sex with my bf last Wednesday and used a comdom for the first time and then the next few days I noticed that i might have a yeast infection and I looked up on Google and found out that condoms can cause that plus I ve had strep and mono just the past 2 months and thought it might just be cause of all the meds im on Well I noticed my clitoris has hurt for a few days and thought it was just cause the yeast infection But tonight I looked and there seems to be a big pimple looking thing half the size of the clit and it hurts so bad to even sit down and theres also little small version ones inside to like inside the clitoris to